If any difference arises between the acquiring authority and a person entitled to a rentcharge on any of the land subject to compulsory purchase as to the compensation to be paid for the release of the land from the rentcharge, or from the part of the rentcharge affecting the land, it shall be referred to and determined by the Upper Tribunal.
If part only of the land charged with a rentcharge is comprised in the land required by the acquiring authority the apportionment of the rentcharge—
(a) may be settled by agreement between the person entitled to the rentcharge and the owner of the land on the one part and the acquiring authority on the other part, and
(b) if not so settled, shall be referred to and determined by the Upper Tribunal,
but if the remaining part of the land so charged is a sufficient security for the rentcharge the person entitled to the rentcharge may, with the consent of the owner of that part of the land, release from the rentcharge the land required by the acquiring authority on condition or in consideration of that part of the land remaining exclusively subject to the whole of the rentcharge.
If any of the land subject to compulsory purchase is so released from a rentcharge, or part of a rentcharge, to which it was subject jointly with other land, the last-mentioned land shall alone be charged with the whole of the rentcharge, or, as the case may be, with the remainder of the rentcharge, and the person entitled to the rentcharge shall have all the same rights and remedies over the last-mentioned land, for the whole, or as the case may be for the remainder, of the rentcharge as he had previously over the whole of the land subject to the rentcharge.
If upon any rentcharge or part of a rentcharge being so released the deed or instrument creating or transferring the charge is tendered to the acquiring authority for the purpose, the acquiring authority shall affix their common or official seal to a memorandum of the release endorsed on the deed or instrument declaring—
(a) what part of the land originally subject to the rentcharge has been purchased by virtue of this Act, and
(b) if the land is released from part of the rentcharge, what part of the rentcharge has been released and how much of it continues payable, and
(c) if the land has been released from the whole of the rent charge, then that the remaining land is thenceforward to remain exclusively charged with the rent charge,
and the memorandum shall be made and executed at the expense of the acquiring authority and shall be evidence in all courts and elsewhere of the facts therein stated, but not so as to exclude any other evidence of the same facts.
In this section "rentcharge", in relation to any land, includes any other payment or incumbrance charged on the land not provided for in the foregoing provisions of this Act.